Understanding Embryonic Stem Cells #5

HHMI Holiday Lectures on Science 2006: Understanding Embryonic Stem Cells by Dr. Douglas Melton. After embryo is implanted in uterus, it's germ layers are developed: ecto-, endo- and meso- derm. As embryo developes and grows it looks more and more to human. How germ layers know which tissue will it be?

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Tags: Stem cell germLayers embryo

Uploaded by: ( Send Message ) on 16-08-2007.

Duration: 3m 16s